package com.itheima.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /*新增分类*/
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("category:{}",category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 菜品分类分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize){
        // 分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        // 条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper();
        // 添加排序条件,根据sort进行排序
        lqw.orderByAsc(Category::getSort);

        // 分页查询
        categoryService.page(pageInfo, lqw);
        return R.success(pageInfo);
    }


    /**
     * 根据id删除
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("根据id删除,{}",id);

        //categoryService.removeById(id);
        categoryService.remove(id);

        return R.success("分类信息删除成功");
    }

    /**
     * 根据id修改
     * @param category
     * @return
     */
    @PutMapping
    public R<String> upDate(@RequestBody Category category){

        categoryService.updateById(category);
        return R.success("修改完成");
    }



    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件,根据Type类型查询分类数据
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }
}
